Meaning of nguyên án | Babel Free
/ŋwiən˧˧ aːn˧˥/Định nghĩa
Đề án đầu tiên.
Cấp độ CEFR
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.